Explanation:

If x=3 and (x-y)2=4, then y could be ---- Correct Answer 1 দেওয়া আছে, x = 3 প্রদত্ত রাশি, (x - y)2 = 4 (3 - y)2 = 4 [ x এর মান বসিয়ে] 6 - 2y = 4 –2y = 4 - 6 - 2y = –2 y = –2/ - 2 y = 1 আশা করি বুঝতে পারছেন ধন্যবাদ

Explanation:

An item costs 90% of its original price. If Tk. 90 is added to the discount price, the cost of the item will be equal to its original price. What is the original price of the item? Correct Answer Tk. 900 Let original cost price is 100% Item cost peice is 90% Discount = (100 - 90)% = 10% ATQ 10% = 90 100% = 900 Ans. 900 TK

Explanation:

If mx+ny=12my, then x/y+n/m= ? Correct Answer 12 mx + ny = 12my mx + ny/my = 12 mx/my + ny/ my = 12 x/y + n/m = 12 এখানে, ১২ কে ফ্রি করার জন্য my দ্বারা উভয় পক্ষে ভাগ করে দেওয়া হয়েছে। তারপরে mx ও my পাবে এবং ny ও my পাবে তাই দুইটার নিচে দেওয়া হয়েছে এবং m আর m কাটে এবং y আর y কাটে। আশা করি বুঝতে পারছেন ধন্যবাদ

Explanation:

A merchant sells a radio for Tk. 80 and thereby makes a profit of 25% of the cost. What is the ratio of cost to selling price? Correct Answer 4/5 at 25% profit, if cost price = 100, then sell price = 125 now, if sell price = 80, then cost price = (100*80)/125 = 64 so ratio = 64/80 = 4:5

Explanation:

A sales representative will receive a 15% commission on a sale of Tk. 28,000. If she has already received Tk. 1500 as an advance of that commission, how much more is due on the commission? Correct Answer Tk. 2700 15% of 28000 Tk = (28000*15/100) = 4200Tk As she received 1500 Tk Commission already, so she will receive more(4200 - 1500) = 2700 Tk

Explanation:

A painter has painted one-third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quarters of the job. What is the length (the horizontal dimension) of the wall? Correct Answer 18 feet Given that hight of the wall is 10 m Let Base of the wall is x m Area of wall is 10x sq m Three - quarter = 3/4 ATQ = According to the question (3/4 - 1/3) part of wall = 75 sq m So, 1 part of wall = 180 sq m Rectangular base of the wall is 180/10 = 18 m Ans. 18 m

Explanation:

If n is an integer between 0 and 100, then any of the following could (3n+3) except --- Correct Answer 208 63 = 3*20 + 3; N = 20297 = 3*98 + 3; N = 98 300 = 3*99 + 3; N = 99 208 = 3*69 + 1 Not (3n + 3)

Explanation:

A class of 50 girls and 70 boys sponsored a party. If 40% of the girls and 50% of the boys attended the party, approximately what percent of the class attended? Correct Answer 46 First, we need to find out 40% of the 50 girls. That is 50 x 0.4 = 20 girls. Next, we need to find out 50% of the 70 boys. That is 70 x 0.5 = 35 boys. Therefore, 20 + 35 = 55 people attended. In total there were 50 + 70 = 120 people. So the percent would be 55/120 = 11/24 ≈ 45.83% ≈ 46%.

Explanation:

Three business partners Q, R, and S, agree to divide their total profit for a certain year in the ratios 2 : 5 : 8, respectively. If Q's share was Tk. 4000, what was the total profit of the business partners for the year? Correct Answer Tk. 30,000 Individual profit of Q,R and S are 2x, 5x, 8xSum of total profit = 2x + 5x + 8x = 15x now,      2x = 4000tk              x = 4000/2 = 2000tk          15x = (2000*15) tk                 = 30,000tk (Ans.)

Explanation:

Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by --- Correct Answer 32.25% required number = 15 + 15 + 15×15100                                  = 15 + 15+ 2.25                                 = 32.25 (Ans)

Explanation:

In a weight-lifting competition, the total weight of Joe's two lifts was 750 pounds. Twice the weight of his first lift was 300 pounds more than the weight of his second lift. What was the weight, in pounds, of his first lift? Correct Answer 350 Suppose,  first lift weight = x pound                   second lift weight = (750 - x) poundas per condition,   2x = 300 + 750-x                                 2x + x = 1050                                3x = 1050                                x = 350So, the weight of his first lift was 350 pounds (Ans.)

Explanation:

A certain type of wall for a house costs Tk. 10.50 per square yard. What does it cost to make a wall 4 yards wide and 60 feet long? Correct Answer Tk. 840 60 feet = 20 yardsarea of wall = 4 yards * 20 yards = 80 square yard 1 square yard require = 10.50 tk80 square yard require = 10.50*80 = 840 tk (Ans)

Explanation:

The average of 6 numbers is 8.5. When one number is discarded, the average of the remaining numbers becomes 7.2. What is the discarded number? Correct Answer 15 6 টি নাম্বার এর সমষ্টি ( 6×8.5) = 51 5 টি নাম্বার এর সমষ্টি ( 5 ×7.2) = 36  ( - ) বিয়োগ করে, = 15   Discarded সংখ্যাটি = 15

Explanation:

A union contract specifies a 6 percent salary increase plus a Tk. 450 bonus for each employee. For a certain employee, this is equivalent to 8 percent salary increase. What was this employee's salary before the new contract? Correct Answer Tk. 22,500 Suppose, employee's salary before the new contract was = Xas per condition,                               6% salary increase + 450 = 8% salary increase                             8% salary increase - 6% salary increase = 450                             2% salary increase = 450                              2% of X = 450                             2X/100 = 450                             X = 22500So,  Employee's salary before the new contract was = 22500 tk (Ans.)

Explanation:

Rahim is two years older than Karim who is twice as old as Ashraf. If the ages of the three total 27 years, how old is Karim? Correct Answer 10 Let, Rahim as R, Karim as K, Ashraf as AR = 2 + KK = 2A   or A = K/2now,       R+K+A = 27             2 + K+K+K/2 = 27           2K+K/2 = 25          5K = 50           K = 10So, Karim is 10 years old (Ans)

Explanation:

In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of these are men, what percent of the non-unionized workers are women? Correct Answer 90% Let X% of the non - unionized employees be men. Percentage of non - unionized employees = 100% - 60% = 40% Percentage of unionized men employees = 70% of 60% = 42% Now, % unionized men employees + % of non - unionized men employees = 46% or,  42% + X% of 40% = 46% or,  X% of 40% = 46% - 42% = 4% or,  X/100 = 4/40 So,  X = 1/10×100 = 10 So, percentage of non - unionized women employees = 100% - 10% = 90%

Explanation:

One-third of a cylindrical oil tank is filled. If 3 more liters are added, a half of the tank will be filled. What is the capacity, in liters, of the tank? Correct Answer 18 Change in capacity = 1/2 - 1/3 = 1/6 Now, 1/6 of the capacity = 3 liter So, actual capacity = 3×6 = 18 liter

Explanation:

From the time 6:15 pm to the time 7:45 pm, of the same day, how many degrees does the minute hand of a standard clock rotate? Correct Answer 540 The minute hand of a standard clock rotates 360° per hour. Now,  6:15 pm to 7:45 pm = 1.5 hour. So, the minute hand will rotate = 1.5×360° = 540°

Explanation:

At 3:00 am, the temperature was -13 degree C, at 6:00 am it has risen to 20 degree C. What is the change in temperature? Correct Answer 33 degree C ধরি, দুধ ৫x ও পানি ২x প্রশ্নমতে, ৫x - ২x = ৬ বা, ৩x = ৬ বা, x = ২ পানি = ২*২ = ৪ লিটার ans.

Explanation:

karim bought a TV for x Taka and sold it for 3 percent profit. Which of the following gives the amount of his profit? Correct Answer Tk. 0.03x S.T: A + B + (AB/100) = 20 + ( - 10) + ((20*( - 10))/100 = 8% ans

Explanation:

VGF stands for --- Correct Answer Vulnerable Group Feeding In the wake of the famine in 1974, the Government of Bangladesh, in partnership with the World Food Program (WFP), launched the vulnerable group feeding (VGF) program. When introduced, VGF provided a monthly transfer of 31.25 kg of wheat per household per month for a period of two consecutive years.

Explanation:

Who from Bangladesh won the Magsaysas Award in 2004? Correct Answer Abdullah Abu Sayeed The winners of the Ramon Magsaysay Awards come from different parts of Asia, although there are some instances where the winners came from countries outside Asia who had served, worked or accomplished something in different Asian countries. As of 2016, recipients have come from twenty - two Asian countries.

Explanation:

Law and order situation in Dhaka worsening day by day . Correct Answer is উদ্ভিদে ফসফরাসের অভাব হলে পাতা বেগুনি বর্ণ ধারণ করে, মূলের বৃদ্ধি কমে যায় এবং পাতা, ফুল ও ফল ঝরে পড়ে। বাগানে ট্রিপল সুপার ফসফেট ব্যবহার করে ফসফরাসের অভাব পূরণের মাধ্যমে বাগানের উদ্ভিদের পাতা, ফুল ও কুঁড়ি ঝরে পড়া রোধ করা সম্ভব।

Explanation:

Have you ever to New York ? Correct Answer been আমরা যখন ভয় পাই তখন আমাদের গায়ের লোম খাড়া হয়ে যায় এবং সারা গা শিরশির করে। এর কারণ অ্যাডরিনালিন হরমোন। এই হরমোনের কারণে আমাদের সারা শরীর শীতল হয়ে যায় এবং আমাদের গায়ের লোম খাড়া হয়ে যায়।

Explanation:

Where discipline is concerned, I must put my foot ___. Correct Answer down হাইপো হচ্ছে সোডিয়াম থায়োসালফেট। এর সংকেত হচ্ছে Na2S2O3